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Papa Nui L-4 Indigo Chambray Cap

The L-4 Cap takes its cues from 1940s style aviation caps and arrives in two beautiful Japanese Chambray fabrics. Tough but lightweight, it’s ready for warm weather operations.

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The Papa Nui L-4 Indigo Chambray Cap takes its inspiration from late 1940s style aviation caps and arrives in a beautiful lightweight Japanese Chambray fabric. Two contrasting but nonetheless beautiful colour options are available in the L-4, the other of which is Natural Seeded Chambray.

With a close crown fit and a generous visor the L-4 Cap features a trio of grommets on each side to keep your head cool while other are losing theirs.

The Indigo model comes with a Navy Blue cotton flip-up. With the exceptional construction and attention to detail you’ve come to expect from all Papa Nui models, it is the perfect cap for your warm weather operations.

Key Features of the Papa Nui L-4 Indigo Chambray Cap

  • Made in Japan by John Lofgren & Co.
  • Inspired by late 40’s aviation caps
  • Indigo Japanese Chambray construction
  • Anti-glare under-visor
  • Hino Maru internal country of origin patch
  • Sizes Medium (57-58cm) and Large (59-60cm)
  • Cold wash/soak to shape or stretch, hot wash/soak and tumble dry to shrink
  • Also available in Natural Seeded Chambray

Medium, Large


Japanese Chambray






Papa Nui


The L-4 is a pretty low-maintenance cap and is ready for anything you can throw at it.

When necessary, we recommend machine washing your L-4 cap on a cold cycle. Allow to dry naturally. If your L-4 fits you perfectly, avoid tumble drying as this may result in slight shrinkage.


Sizes Medium (57-58cm) and Large (59-60cm).

To find out more about how to measure your head to get the sizing of your cap perfect, see this detailed post about Papa Nui sizing. Need more information on how to fine tune the sizing of your Papa Nui cap? Our sizing page also contains information about how to stretch or shrink your cap.

Before attempting to stretch or shrink your cap, please see the Care section to see if this is possible with your model.